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Built 2026-10-15 (15 October 2026)

Makahalau 103 Weather Records (USC00515761)

Record envelope, standing records and threshold days for Makahalau 103 (USC00515761), Hawaii, United States, with 43 years of record.

Key Facts for Makahalau 103

  • Makahalau 103 (USC00515761) is a weather station in Hawaii, United States at 19.97 latitude and -155.55 longitude, 1,164 m (3,820 ft) above sea level.
  • The station reports from 1971 to 2013, 43 years of record.
  • 0 records set at Makahalau 103 still stand.
  • Records are tracked for prcp, snow, snwd: an element needs 30 years of data to be eligible.
  • Makahalau 103 set a daily record precipitation of 33.0 mm (1.3 in) on 31 December 2013.

About the Station

  • Location: Hawaii, United States, 19.97 latitude, -155.55 longitude.
  • Elevation: 1,164 m (3,820 ft).
  • Period of record: 1971 to 2013, 43 years.
  • Eligible elements: prcp, snow, snwd.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Makahalau 103, with 2026 drawn through them The band shows the record high and record low for each calendar day at Makahalau 103. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Makahalau 103. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Makahalau 103, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Makahalau 103 by the year they were set 0 records at Makahalau 103 still stand. 00000000000
0 records at Makahalau 103 still stand.
Standing records at Makahalau 103 by the year they were set
Year setStanding records

Wettest Day of Each Month

Nov: 330.2 mm (13.0 in)
Record daily precipitation for each month at Makahalau 103 The wettest day on record for each calendar month at Makahalau 103. The most was 330.2 mm (13.0 in) on 19 November 1979. 0100200300400 Jan: 154.9 mm (6.1 in), 15 January 1979 Jan Feb: 134.6 mm (5.3 in), 26 February 2002 Feb Mar: 198.1 mm (7.8 in), 15 March 2004 Mar Apr: 109.2 mm (4.3 in), 15 April 2004 Apr May: 114.3 mm (4.5 in), 1 May 1989 May Jun: 50.8 mm (2.0 in), 12 June 1990 Jun Jul: 82.6 mm (3.3 in), 18 July 1994 Jul Aug: 63.5 mm (2.5 in), 6 August 1997 Aug Sep: 75.2 mm (3.0 in), 2 September 1972 Sep Oct: 83.8 mm (3.3 in), 10 October 1997 Oct Nov: 330.2 mm (13.0 in), 19 November 1979 Nov Dec: 111.8 mm (4.4 in), 14 December 1987 Dec
The wettest day on record for each calendar month at Makahalau 103. The most was 330.2 mm (13.0 in) on 19 November 1979.
Record daily precipitation for each month at Makahalau 103
MonthRecord daily precipitation (mm)Date
Jan154.9 mm (6.1 in)15 January 1979
Feb134.6 mm (5.3 in)26 February 2002
Mar198.1 mm (7.8 in)15 March 2004
Apr109.2 mm (4.3 in)15 April 2004
May114.3 mm (4.5 in)1 May 1989
Jun50.8 mm (2.0 in)12 June 1990
Jul82.6 mm (3.3 in)18 July 1994
Aug63.5 mm (2.5 in)6 August 1997
Sep75.2 mm (3.0 in)2 September 1972
Oct83.8 mm (3.3 in)10 October 1997
Nov330.2 mm (13.0 in)19 November 1979
Dec111.8 mm (4.4 in)14 December 1987

Latest Records

20
Latest records at Makahalau 103
DateStationRecordValueBeat old record byOld record stoodSignificance
31 December 2013Makahalau 103, USdaily rain33.0 mm (1.3 in)20.3 mm (0.8 in)23 years20 of 100 (Routine)
13 October 2012Makahalau 103, USdaily rain12.7 mm (0.5 in)1.3 mm (0.05 in)30 years14 of 100 (Routine)
24 August 2012Makahalau 103, USdaily rain5.6 mm (0.22 in)4.1 mm (0.16 in)35 years17 of 100 (Routine)
13 August 2012Makahalau 103, USdaily rain28.4 mm (1.1 in)24.6 mm (1.0 in)33 years32 of 100 (Routine)
29 June 2012Makahalau 103, USdaily rain26.2 mm (1.0 in)21.1 mm (0.8 in)20 years31 of 100 (Routine)
15 June 2012Makahalau 103, USdaily rain29.2 mm (1.1 in)10.9 mm (0.4 in)5 years16 of 100 (Routine)
12 April 2012Makahalau 103, USdaily rain6.4 mm (0.25 in)5.1 mm (0.20 in)29 years14 of 100 (Routine)
12 December 2011Makahalau 103, USdaily rain41.9 mm (1.6 in)14.0 mm (0.6 in)2 years11 of 100 (Routine)
17 November 2011Makahalau 103, USdaily rain4.3 mm (0.17 in)4.3 mm (0.17 in)40 years17 of 100 (Routine)
4 November 2011Makahalau 103, USdaily rain15.2 mm (0.6 in)15.2 mm (0.6 in)40 years20 of 100 (Routine)
3 October 2011Makahalau 103, USdaily rain5.6 mm (0.22 in)5.1 mm (0.20 in)32 years17 of 100 (Routine)
6 September 2011Makahalau 103, USdaily rain5.3 mm (0.21 in)5.3 mm (0.21 in)40 years19 of 100 (Routine)
8 July 2011Makahalau 103, USdaily rain32.3 mm (1.3 in)25.9 mm (1.0 in)36 years35 of 100 (Notable)
20 June 2011Makahalau 103, USdaily rain26.7 mm (1.1 in)23.7 mm (0.9 in)38 years40 of 100 (Notable)
6 June 2011Makahalau 103, USdaily rain40.4 mm (1.6 in)22.6 mm (0.9 in)22 years34 of 100 (Routine)
9 May 2011Makahalau 103, USdaily rain16.5 mm (0.6 in)7.9 mm (0.31 in)37 years19 of 100 (Routine)
18 April 2011Makahalau 103, USdaily rain26.7 mm (1.1 in)19.1 mm (0.8 in)5 years14 of 100 (Routine)
11 March 2011Makahalau 103, USdaily rain12.2 mm (0.5 in)0.3 mm (0.01 in)28 years12 of 100 (Routine)
13 December 2010Makahalau 103, USdaily rain25.4 mm (1.0 in)1.8 mm (0.07 in)8 years6 of 100 (Routine)
8 November 2010Makahalau 103, USdaily rain30.5 mm (1.2 in)21.6 mm (0.9 in)11 years13 of 100 (Routine)

Extremes by Year

1971 to 2013
Yearly extremes at Makahalau 103: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)330.2 mm (13.0 in)197961.0 mm (2.4 in)43
Wettest five days (Rx5day)364.0 mm (14.3 in)197973.2 mm (2.9 in)42
Longest dry spell (CDD)95 days198544 days42

Wettest day (Rx1day)

Wettest day (Rx1day) at Makahalau 103 by year The wettest day of the year at Makahalau 103, 1971 to 2013. The record is 330.2 mm (13.0 in) in 1979, marked on the chart; the median year is 61.0 mm (2.4 in). 01002003004001980199020002010Record: 330.2 mm (13.0 in) in 1979
The wettest day of the year at Makahalau 103, 1971 to 2013. The record is 330.2 mm (13.0 in) in 1979, marked on the chart; the median year is 61.0 mm (2.4 in).
Wettest day (Rx1day) at Makahalau 103 by year
YearWettest day (Rx1day)
197132.0 mm (1.3 in)
197275.2 mm (3.0 in)
197343.2 mm (1.7 in)
197440.6 mm (1.6 in)
197511.4 mm (0.4 in)
197648.0 mm (1.9 in)
197727.2 mm (1.1 in)
197852.1 mm (2.1 in)
1979330.2 mm (13.0 in)
198041.9 mm (1.6 in)
198169.9 mm (2.8 in)
198272.4 mm (2.9 in)
198331.8 mm (1.3 in)
198463.5 mm (2.5 in)
198567.3 mm (2.6 in)
198691.4 mm (3.6 in)
1987111.8 mm (4.4 in)
198894.0 mm (3.7 in)
1989114.3 mm (4.5 in)
1990111.8 mm (4.4 in)
199131.8 mm (1.3 in)
199282.6 mm (3.3 in)
199369.9 mm (2.8 in)
199491.4 mm (3.6 in)
199535.6 mm (1.4 in)
199673.7 mm (2.9 in)
199783.8 mm (3.3 in)
199849.5 mm (1.9 in)
199930.5 mm (1.2 in)
200039.6 mm (1.6 in)
200148.3 mm (1.9 in)
2002134.6 mm (5.3 in)
200385.1 mm (3.4 in)
2004198.1 mm (7.8 in)
200578.7 mm (3.1 in)
200662.2 mm (2.4 in)
200761.0 mm (2.4 in)
200850.8 mm (2.0 in)
200949.5 mm (1.9 in)
201040.6 mm (1.6 in)
201141.9 mm (1.6 in)
201229.2 mm (1.1 in)
201333.0 mm (1.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Makahalau 103 by year The wettest five days of the year at Makahalau 103, 1971 to 2013. The record is 364.0 mm (14.3 in) in 1979, marked on the chart; the median year is 73.2 mm (2.9 in). 01002003004001980199020002010Record: 364.0 mm (14.3 in) in 1979
The wettest five days of the year at Makahalau 103, 1971 to 2013. The record is 364.0 mm (14.3 in) in 1979, marked on the chart; the median year is 73.2 mm (2.9 in).
Wettest five days (Rx5day) at Makahalau 103 by year
YearWettest five days (Rx5day)
197132.0 mm (1.3 in)
197298.3 mm (3.9 in)
197377.8 mm (3.1 in)
197459.7 mm (2.4 in)
197512.4 mm (0.5 in)
197668.3 mm (2.7 in)
197752.4 mm (2.1 in)
197860.0 mm (2.4 in)
1979364.0 mm (14.3 in)
198027.7 mm (1.1 in)
198181.3 mm (3.2 in)
1982101.1 mm (4.0 in)
198336.3 mm (1.4 in)
198429.3 mm (1.2 in)
198567.3 mm (2.6 in)
1986267.9 mm (10.5 in)
1987111.8 mm (4.4 in)
198894.0 mm (3.7 in)
1989188.0 mm (7.4 in)
1990215.9 mm (8.5 in)
199131.8 mm (1.3 in)
199282.6 mm (3.3 in)
1993106.7 mm (4.2 in)
1994114.3 mm (4.5 in)
199554.7 mm (2.2 in)
1996116.9 mm (4.6 in)
1997122.0 mm (4.8 in)
199849.5 mm (1.9 in)
199949.7 mm (2.0 in)
200090.9 mm (3.6 in)
200171.2 mm (2.8 in)
2002250.2 mm (9.9 in)
200385.1 mm (3.4 in)
2004198.1 mm (7.8 in)
200578.7 mm (3.1 in)
200666.5 mm (2.6 in)
200775.2 mm (3.0 in)
200850.8 mm (2.0 in)
200950.8 mm (2.0 in)
201040.6 mm (1.6 in)
201148.0 mm (1.9 in)
201234.2 mm (1.3 in)
2013n/a

Longest dry spell (CDD)

Longest dry spell (CDD) at Makahalau 103 by year The longest dry spell of the year at Makahalau 103, 1971 to 2013. The record is 95 days in 1985, marked on the chart; the median year is 44 days. 0204060801001980199020002010Record: 95 days in 1985
The longest dry spell of the year at Makahalau 103, 1971 to 2013. The record is 95 days in 1985, marked on the chart; the median year is 44 days.
Longest dry spell (CDD) at Makahalau 103 by year
YearLongest dry spell (CDD)
197156 days
197251 days
197335 days
197440 days
197526 days
197623 days
197733 days
197839 days
197931 days
198028 days
198118 days
198226 days
198347 days
198436 days
198595 days
198637 days
198765 days
198841 days
198968 days
199073 days
199164 days
199250 days
199349 days
199472 days
199550 days
199663 days
199764 days
199848 days
199941 days
200055 days
200122 days
200241 days
200391 days
200459 days
200534 days
200624 days
200759 days
200834 days
200972 days
201034 days
201128 days
201248 days
2013n/a

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

32 years, 1972 to 2011

A day with at least 64.7 mm (2.5 in) of rain is expected about once in 2 years. A day with at least 324.4 mm (12.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Makahalau 103: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years64.7 mm (2.5 in)
5 years101.5 mm (4.0 in)
10 years135.4 mm (5.3 in)
25 years193.4 mm (7.6 in)
50 years251.0 mm (9.9 in)Longer than the 32 years of record
100 years324.4 mm (12.8 in)Longer than the 32 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 32 years of values from 1972 to 2011.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 330.2 mm (13.0 in) in 1979; 198.1 mm (7.8 in) in 2004; 134.6 mm (5.3 in) in 2002.

Download the Data

  • Data for Makahalau 103 standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Makahalau 103 threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).